The MESSENGER GRS uncalibrated observations consist of science and instrument data collected by the GRS sensor.

 
Citation P. N. Peplowski (APL), MESSENGER GRS raw data (MESS-E/V/H-GRNS-2-GRS-RAWDATA-V1.0), NASA Planetary Data System, 2008.
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Data Set Abstract Abstract ======== This data set consists of the MESSENGER GRS uncalibrated observations, also known as EDRs. The GRS experiment is a gamma ray spectrometer designed to observe spectrum of gamma rays emitted from Mercury's surface in the energy range from 0.1 to 10 MeV. There are ten GRS EDR data products: the raw spectra data, the spectra data from the shield (2 versions), shield count rate data, the anti-coincident spectra data, the microphonics data, the software rate counter data, the status parameters, the state of the instrument, and a GRS instrument command list.
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    Additional Information
    Mission Information MESSENGER
    Data Set Information MESS-E/V/H-GRNS-2-GRS-RAWDATA-V1.0
    Instrument Host Information MESS
    Instrument Information GRS
    Target Information CALIBRATION
    EARTH
    MERCURY
    VENUS